44648999 has 2 divisors, whose sum is σ = 44649000. Its totient is φ = 44648998.

The previous prime is 44648977. The next prime is 44649029. The reversal of 44648999 is 99984644.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44648999 - 2¹⁶ = 44583463 is a prime.

It is a super-2 number, since 2×44648999² = 3987066223404002, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44648999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44648939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22324499 + 22324500.

It is an arithmetic number, because the mean of its divisors is an integer number (22324500).

Almost surely, 2^44648999 is an apocalyptic number.

44648999 is a deficient number, since it is larger than the sum of its proper divisors (1).

44648999 is an equidigital number, since it uses as much as digits as its factorization.

44648999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 53.

The square root of 44648999 is about 6681.9906465065. The cubic root of 44648999 is about 354.7621206076.

The spelling of 44648999 in words is "forty-four million, six hundred forty-eight thousand, nine hundred ninety-nine".